President Barack Obama said Monday that "several people have been shot and some have been killed" at the Washington Navy Yard in what he called a "cowardly" act that "targeted military and civilian personnel." He made these remarks at a financial crisis anniversary event. (CNN Photo).

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Active shooter is reported inside the Naval Sea Systems Command Headquarters building (Building 197) at the Washington Navy Yard in southeast Washington, according to a statement from the Navy. There is one confirmed injury. A "shelter in place" order is issued for Navy Yard personnel. Several hundred people are evacuated.